CN106683827A - Filter structure, welding jig and manufacturing method - Google Patents

Abstract

The present invention relates to a filter structure, a welding jig and a manufacturing method, and discloses a filter structure, including: a box body provided with a cavity, a plurality of coil assemblies provided in the cavity, and a plurality of wiring assemblies; the wiring assembly includes a positive wiring pin and a negative wiring pin fixed to the box body; the wires at both ends of the coil assembly are respectively welded and fixed to the positive wiring pin and the negative wiring pin. The wiring section of the pin of the present invention is embedded in the side of the wire clamping slot, and the wire of the coil is fixed to the pin by spot welding after being clamped into the wire clamping slot. There is no need to manually wind the wire and the pin, which reduces the labor intensity, has a fast assembly speed, high production efficiency, and can save the length of the wire and reduce the cost. The present invention has a reasonable design and strong practicality, and can be vigorously promoted in the market.

Description

A filter structure, welding fixture and manufacturing method

technical field

The invention relates to a filter structure, a welding jig and a manufacturing method.

Background technique

With the development of computer technology and communication technology, the application of the network is also becoming more and more extensive-important, and the filter is a component with good anti-interference and energy efficiency to ensure the transmission of network information, which is widely used in network systems. In the traditional network box, several coils are placed in the cavity of the base body, and the connection between the wire and the pin is mainly wound by hand, which is easy to wind in the wrong position, and the production cycle is long, and the production efficiency is not high.

Contents of the invention

In order to overcome the disadvantages of the above-mentioned prior art, the object of the present invention is to provide a filter structure, a welding fixture and a manufacturing method.

The technical solution of the present invention is: a filter structure, including: a box body with a cavity, a number of coil assemblies arranged in the cavity, and a number of wiring assemblies; the wiring assembly includes a positive wire fixed to the box body pins and negative wiring pins; the wires at both ends of the coil assembly are respectively welded and fixed to the positive wiring pins and the negative wiring pins.

Its further technical solution is: the coil assembly includes two winding parts in series; the winding parts include a hollow magnetic ring and a wire wound on the magnetic ring; the central axis of the magnetic ring of the two coils vertical set.

Its further technical solution is: the two sides of the box body are respectively provided with a plurality of spaced wire clamping grooves; the positive wiring pins and negative wiring pins are respectively embedded in the side of the wire clamping grooves of the box body; The positive wiring pin includes a wiring section and a connecting section; the end of the wiring section is located in the wire slot; the wire at the input end of the coil assembly is welded and fixed to the wiring section; the connecting section extends to the outside of the box.

Its further technical solution is: the wiring section is bent to form a hook shape, so as to be embedded in the wire clamping groove of the box body.

Its further technical solution is: the head of the connecting section is bent obliquely so that the connecting section can be embedded in the wire clamping groove of the box body.

Its further technical solution is: the tail of the connecting section is bent downwards and then bent horizontally.

Its further technical solution is: the box body is also provided with a wire entry slot located on one side of the cavity and connected to the wire holding slot; the wire passes through the wire entry slot and extends to the wire holding slot to be clamped.

A welding jig is used for welding the above-mentioned filter structure. The welding jig includes a body; the body is sequentially provided with a cavity, a protrusion, and a hole for welding electrodes through a spot welding machine. Welding slots, clamping slots; when the wires of the filter structure are welded to the positive wiring pins or negative wiring pins, the coil assembly is accommodated in the cavity, the wires pass through the raised part, and the welding slots are fastened to the clamping slots Inside, the raised portion presses the wire so that the wire comes into contact with the end of the positive terminal pin or the negative terminal pin.

A method for fabricating a filter structure, used to fabricate the above-mentioned filter structure, comprising:

A. Embed multiple wiring components on both sides of the box;

B. Install the coil assembly in the cavity of the welding jig, and clamp the wires at both ends of the coil assembly to the clamping groove of the welding jig;

C. Install the welding jig on the top of the box body, and press the wire on the raised part, so that the wire is in contact with the end of the positive wiring pin or the negative wiring pin;

D. Use a spot welding machine to weld the wires and the positive or negative wiring pins in sequence;

E. Encapsulation.

Its further technical solution is: the tails of the positive wiring pin and the negative wiring pin are respectively provided with connecting pieces; the D includes:

D1. The negative electrode of the spot welding machine is electrically connected to the connecting piece;

D2. The positive electrode of the spot welding machine passes through the welding groove of the welding jig and is electrically connected to the wire, so that the spot welding machine welds and fixes the wires at both ends of the coil assembly to the positive wiring pin and the negative wiring pin respectively;

D3. After bending the positive wiring pin and the negative wiring pin of the wiring assembly downward, bend the positive wiring pin and the negative wiring pin horizontally;

D4. Cut off the connecting piece at the end of the positive wiring pin and the negative wiring pin.

Compared with the prior art, the technical effect of the present invention is: a filter structure, the wiring section of the pin is embedded in the side of the clamping groove, and the wire of the coil is clamped into the clamping groove and fixed with the pin by spot welding, without The wires and pins need to be wound manually, which reduces the labor intensity, the assembly speed is fast, the production efficiency is high, the wire length can be saved, and the cost can be reduced.

A welding jig, after the coil assembly is pre-installed on the welding jig, the protruding part presses the wire into the clamping groove, so that the wire contacts the end of the wiring pin, so that the spot welder can sequentially connect the wire and the lead feet for quick soldering.

A method for manufacturing a filter structure. Connecting pieces are provided at the tails of the positive and negative wiring pins, which can be integrally embedded when embedding the pins. The above-mentioned welding jig simplifies the spot welding process of the wires and the pins. It is faster, saves time and improves production efficiency.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a top view of the internal structure of a filter structure of the present invention;

Fig. 2 is the perspective view of the internal structural diagram of a kind of filter structure of the present invention;

Fig. 3 is an enlarged view of part A in Fig. 2;

Figure 4 is a perspective view of the positive wiring pin;

Fig. 5 is a cross-sectional view of a filter structure of the present invention;

Fig. 6 is a sectional view of a welding state of a welding jig of the present invention;

FIG. 7 is a flow chart of a method for fabricating a filter structure.

reference sign

10 Filter Structure 1 Box

11 Cavity 12 Cable slot

13 Wire entry 2 Coil assembly

21 Magnetic ring 22 Wire

3 Wiring assembly 31 Positive wiring pins

311 Wiring section 312 Connection section

32 Negative terminal pin 33 Connection lug

4 welding jig 41 body

411 Receptacle 412 Protrusion

413 Welding groove 414 Snap-in groove

5 Welding electrodes

detailed description

In order to fully understand the technical content of the present invention, the technical solution of the present invention will be further introduced and illustrated below in conjunction with schematic diagrams, but is not limited thereto.

A filter structure, comprising: a box body provided with a cavity, a plurality of coil components arranged in the cavity, and a plurality of wiring components. The wiring assembly includes positive wiring pins and negative wiring pins fixed on the box body, and the wires at both ends of the coil assembly are respectively fixedly connected with the positive wiring pins and the negative wiring pins by spot welding or fusion.

As shown in FIG. 1 , FIG. 2 , and FIG. 3 , a filter structure 10 includes: a box body 1 with a cavity 11 , a coil assembly 2 disposed in the cavity 11 , and a wiring assembly 3 . Specifically, the number of groups of coil components 2 is 8 groups, the number of wiring components 3 is 24 groups, and each group of coil components 2 is correspondingly provided with 3 wires 22 .

The wiring assembly 3 includes a positive wiring pin 31 and a negative wiring pin 32 fixed on the box body 1 , and the wires 22 at both ends of the coil assembly 2 are respectively fixed by spot welding to the positive wiring pin 31 and the negative wiring pin 32 .

The coil assembly 2 includes two winding parts connected in series. The winding parts include a hollow magnetic ring 21 and a wire 22 wound on the magnetic ring 21 , wherein the central axes of the magnetic rings 21 of the two coils are vertically arranged.

Both sides of the box body 1 are respectively provided with a plurality of spaced apart wire clamping grooves 12, and the material of the box body 1 is insulating plastic. The positive connection pin 31 and the negative connection pin 32 are respectively embedded in the side of the wire clamping groove 12 of the box body 1 .

As shown in FIG. 4 and FIG. 5 , the positive connection pin 31 includes a connection section 311 and a connection section 312 , and the structure of the positive connection pin 31 and the negative connection pin 32 is the same. The end of the wiring section 311 is located in the wire clamping slot 12 , the wire 22 at the input end of the coil assembly 2 is fixed to the wiring section 311 by spot welding, and the connecting section 312 extends to the outside of the box body 1 .

The box body 1 is also provided with a wire entry slot 13 located on one side of the cavity 11 and communicated with the wire holding slot 12 , the wire 22 extends through the wire entry slot 13 to the wire holding slot 12 and is clamped. Before the wire 22 is welded to the positive connection pin 31 and the negative connection pin 32, the wire 22 is clamped and connected to the wire holding groove 12, so as to facilitate positioning during subsequent spot welding. During assembly, the wire 22 of the coil assembly 2 can be guided to the wire holding slot 12 through the wire entering slot 13 .

The wiring section 311 is bent to form a hook shape, and the head of the connecting section 312 is bent obliquely, so that the wiring section 311 is embedded in the wire clamping groove 12 of the box body 1 . Specifically, in order to make the overall structure of the filter structure 10 compact and to facilitate automatic production, the wire holding grooves 12 on both sides of the box body 1 are arranged at equal intervals. The end portion of is located in the wire clamping groove 12.

The tail of the wiring assembly 3 is provided with a connection piece 33 for fixing the positive connection pin 31. During production, the positive connection pin 31 and the connection piece 33 are integrally produced, and the head of the positive connection pin 31 is bent obliquely and then again Bend into a hook shape.

The tail of the connecting section 312 is bent downwards and then horizontally bent. After the assembly is completed, cut off the connecting piece 33 at the tail of the positive connecting pin 31 and the negative connecting pin 32 .

As shown in FIG. 6 , a welding jig 4 is used for welding the above-mentioned filter structure 10 . The welding jig 4 includes a body 41 . The body 41 is sequentially provided with a cavity 411 , a protruding portion 412 , a welding slot 413 for passing through the welding electrode 5 of the spot welding machine, and a clamping slot 414 from the inside to the outside. When the wire of the filter structure 10 is welded to the positive connection pin 31 or the negative connection pin 32, the coil assembly 2 is accommodated in the cavity 411, and the wire passes through the protrusion 412 and the welding groove 413 and is fastened in the clamping groove 414 , the protruding portion 412 presses the wire 22 so that the wire is in contact with the end of the positive connection pin 31 or the negative connection pin 32 .

As shown in Figure 7, a method for fabricating a filter structure is used to fabricate the above-mentioned filter structure, including:

A. Embed multiple wiring components on both sides of the box;

B. Install the coil assembly in the cavity of the welding jig, and clamp the wires at both ends of the coil assembly to the clamping groove of the welding jig;

C. Install the welding jig on the top of the box body, and the raised part presses the wire so that the wire is in contact with the end of the positive wiring pin or the negative wiring pin; specifically, the raised part presses the wire to the top of the box body In the cable slot;

D. Use a spot welding machine to weld the wires and the positive or negative wiring pins in sequence; wherein, the tails of the positive and negative wiring pins are respectively provided with connecting pieces. Step D specifically includes the following:

D1. The negative electrode of the spot welding machine is electrically connected to the connecting piece;

D2. The positive electrode of the spot welding machine passes through the welding groove of the welding jig and is electrically connected to the wire, so that the spot welding machine welds and fixes the wires at both ends of the coil assembly to the positive wiring pin and the negative wiring pin respectively;

D3. After bending the positive wiring pin and the negative wiring pin of the wiring assembly downward, bend the positive wiring pin and the negative wiring pin horizontally;

D4. Cut off the connecting piece at the end of the positive wiring pin and the negative wiring pin;

E. Encapsulation.

It also includes a manufacturing process before A, and the manufacturing process includes: making positive and negative wiring pins and a plastic box with a cavity, wherein the tails of the positive and negative wiring pins are provided with connecting pieces for fixing the positive wiring pins, Bend the heads of the positive and negative wiring pins obliquely and then bend them into a hook shape again.

The above only uses examples to further illustrate the technical content of the present invention, so that readers can understand more easily, but it does not mean that the implementation of the present invention is limited to this, and any technical extension or re-creation done according to the present invention is subject to the present invention. protection, the protection scope of the present invention shall be determined by the claims.

Claims (10)

1. A filter structure, characterized in that it comprises: a box body provided with a cavity, a number of coil assemblies arranged in the cavity, and a number of wiring assemblies; the wiring assembly includes positive wiring leads fixed on the box body feet and negative wiring pins; the wires at both ends of the coil assembly are respectively welded and fixed to the positive wiring pins and the negative wiring pins. 2. The filter structure according to claim 1, wherein the coil assembly comprises two winding parts connected in series; the winding part comprises a hollow magnetic ring, and a wire wound on the magnetic ring ; The central axes of the magnetic rings of the two coils are arranged vertically. 3. The filter structure according to claim 1, wherein the two sides of the box body are respectively provided with a plurality of interval-type clamping slots; the positive wiring pins and the negative wiring pins are respectively embedded Buried in the side of the wire clamping slot of the box body; the positive wiring pin includes a wiring segment and a connecting segment; the end of the wiring segment is located in the wire clamping slot; the wire at the input end of the coil assembly is welded and fixed to the wiring segment; The connecting section extends to the outside of the box body. 4 . The filter structure according to claim 3 , wherein the connecting section is bent to form a hook shape, so as to be embedded in the wire clamping groove of the box body. 5 . The filter structure according to claim 3 , wherein the head of the connection section is bent obliquely so as to facilitate the connection section to be embedded in the wire clamping groove of the box body. 6 . 6 . The filter structure according to claim 3 , wherein the tail of the connecting section is bent downwards and then bent horizontally. 7. The filter structure according to claim 3, characterized in that, the box body is also provided with a wire inlet slot located on one side of the cavity and communicated with the wire holding slot; the wires pass through the wire inlet slot and extend to The cable slot is locked tightly. 8. A welding jig for welding the filter structure according to any one of claims 1-7, characterized in that the welding jig comprises a body; Cavities, raised parts, welding slots for welding electrodes through the spot welding machine, snap-in slots; when the wires of the filter structure are welded to the positive or negative wiring pins, the coil assembly is accommodated in the cavity , the wire passes through the protrusion, and the welding groove is fastened in the clamping groove, and the protrusion presses the wire so that the wire contacts the end of the positive or negative wiring pin. 9. A method for making a filter structure, for making the filter structure according to any one of claims 1-7, characterized in that, comprising: A. Embed multiple wiring components on both sides of the box; B. Install the coil assembly in the cavity of the welding jig, and clamp the wires at both ends of the coil assembly to the clamping groove of the welding jig; C. Install the welding jig on the top of the box body, and press the wire on the raised part, so that the wire is in contact with the end of the positive wiring pin or the negative wiring pin; D. Use a spot welding machine to weld the wires and the positive or negative wiring pins in sequence; E. Encapsulation. 10. The manufacturing method of the filter structure according to claim 9, characterized in that, the tails of the positive wiring pin and the negative wiring pin are respectively provided with connecting pieces; the D comprises: D1. The negative electrode of the spot welding machine is electrically connected to the connecting piece; D2. The positive electrode of the spot welding machine passes through the welding groove of the welding jig and is electrically connected to the wire, so that the spot welding machine welds and fixes the wires at both ends of the coil assembly to the positive wiring pin and the negative wiring pin respectively; D3. After bending the positive wiring pin and the negative wiring pin of the wiring assembly downward, bend the positive wiring pin and the negative wiring pin horizontally; D4. Cut off the connecting piece at the end of the positive wiring pin and the negative wiring pin.